The process of moving something to a centre, normally before some other process.
A type of formwork which serves as a temporary structure during the construction of arches and bridges.
The process or property of approaching some limiting value.
The evolution of similar structures or traits in unrelated species in similar environments; convergent evolution.
A meeting place.
The hypothesis that poorer economies' per capita incomes tend to grow faster than richer economies.
The intersection of three electron beams for red, green and blue onto a single pixel in a CRT.
The coordinated focusing of the eyes, especially at short range.
The merging of distinct technologies, industries, or devices into a unified whole.
The act of moving toward union or uniformity.